Military helicopters / E.J. Everett-Heath ... [et al.]. - 1st ed. - London, England ; Washington : Brassey's (UK), 1990. - xv, 177 p. : ill. ; 26 cm. - Land warfare ; v. 6 . Includes bibliographical references (p. 173) and index. ISBN: 0080373410 : $31.90 (U.S. : est.) 008036716X (pbk.) : $15.90 (U.S. : est.) LCCN: 89048181 Subjects--Topical Terms: Military helicopters. LC Class. No.: UG1230 / .M56 1990 Dewey Class. No.: 623.7/46047